/**
* Get the path map for the query expression
*
* @return the path map (which is constructed if this has not already been done)
*/
public PathMap getPathMap() {
if (pathMap == null) {
pathMap = new PathMap(expression);
}
HashMap map = executable.getCompiledGlobalVariables();
if (map != null) {
Iterator iter = map.values().iterator();
while (iter.hasNext()) {
GlobalVariable var = (GlobalVariable) iter.next();
Expression select = var.getSelectExpression();
select.addToPathMap(pathMap, null);
}
}
return pathMap;
}
/**
* Ask whether this query uses the context item
*
* @return true if the context item is referenced either in the query body or in the initializer
* of any global variable
*/
public boolean usesContextItem() {
if ((expression.getDependencies() & StaticProperty.DEPENDS_ON_FOCUS) != 0) {
return true;
}
HashMap map = executable.getCompiledGlobalVariables();
if (map != null) {
Iterator iter = map.values().iterator();
while (iter.hasNext()) {
GlobalVariable var = (GlobalVariable) iter.next();
Expression select = var.getSelectExpression();
if (select != null && (select.getDependencies() & StaticProperty.DEPENDS_ON_FOCUS) != 0) {
return true;
}
}
}
return false;
}